caryopsis vs rye

caryopsis and rye both are nouns.

Word	Noun	Adjective	Verb	Adverb
caryopsis	Yes	No	No	No
rye	Yes	No	No	No

As nouns, rye is a hyponym of caryopsis; that is, rye is a word with a more specific, narrower meaning than caryopsis:

caryopsis: dry seed-like fruit produced by the cereal grasses: e.g. wheat, barley, Indian corn
rye: the seed of the cereal grass

Other hyponyms of caryopsis include amaranth, barleycorn, wheat berry, kernel.

caryopsis (noun)	rye (noun)
dry seed-like fruit produced by the cereal grasses: e.g. wheat, barley, Indian corn	whiskey distilled from rye or rye and malt
	hardy annual cereal grass widely cultivated in northern Europe where its grain is the chief ingredient of black bread and in North America for forage and soil improvement
	the seed of the cereal grass